Darren Rovell, CNBC's sports business reporter and self-professed master of the Twitter, sang the Canadian and U.S. national anthems at the Blue Jays-Rays game today at Tropicana Field. He did a fine job. But he forgot rule number seven of his 100 Twitter rules to tweet by:

7. Don't ask to be followed. Twitter is a meritocracy. Earn it.

While we're at this important watchdog work, we might also point out that his six total tweets about the televised event might also conflict with rule number 58:

58. People don't care what you're doing, they care what you're seeing.